dave kunst is the first person verified to have completely circled the entire earth on foot in 4 years. Let us assume he traveled in a perfect circle around the earth and the center of his circle is same as the center of the earth. If he traveled through a tunnel through the center of the earth penetrating to other side of earth at the same average speed, how much time would he have taken​

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

unbalanced force

explanation:

cancer risk hope this